>> reporter: a strong storm is being blamed for this 75-foot mudslide that took out a train near seattle. john hill started recording. >> i thought the rest of the rail cars were going to pile up and come through the fence and get me. so i was trying to get out of the car. >> reporter: it's not just mud. the western region of the u.s. has been blanketed with heavy snow, rain and powerful winds that knocked down trees, power lines and created dangerous driving conditions. >> when i got stopped here, it started sliding backwards and i had no control for a little bit of time. >> reporter: at least 16 states have experienced winter warnings and watches so far this week. and as the weather heads east it continues to dump more snow, making holiday skiers and snowboarders happy. >> i'm gearing up for a really good christmas. >> reporter: with that weather moving through, a travel warning to the 93 million people expected to hit the road this holiday. rob and sunny? >> thanks, brandy. >>> travelers planning to fly or drive need to pay attention to this storm. >> oh, yeah. our coverage continues